diff --git a/sane/scanner.cpp b/sane/scanner.cpp
index f2df330..7abc9e1 100644
--- a/sane/scanner.cpp
+++ b/sane/scanner.cpp
@@ -1,4 +1,4 @@
-
+
 
 #include "scanner.h"
 
@@ -345,10 +345,9 @@ namespace callback
 	int (*apply_current_config)(const char* dev_name, SANE_Handle device, LPSANEAPI api) = NULL;	// 应用设备的当前配置
 	int (*show_setting_ui)(SANE_Handle device, HWND parent, LPSANEAPI api, const char* devname, bool with_scan) = NULL;
 	int (*show_progress_ui)(HWND parent, std::function<void(ui_result)> callback, std::function<void(int/*event*/, void*/*msg*/, int/*flag*/)>* notify) = NULL;
-	int (*show_messagebox_ui)(HWND parent, int/*event*/, void*/*msg*/, int/*flag*/) = NULL;
+	int (*show_messagebox_ui)(HWND parent, int event, void* msg, int flag) = NULL;
+
 
-	//std::function<void(ui_result)> ui_result_callback;
-	std::function<void(int/*event*/, void*/*msg*/, int/*flag*/)> notify;
 	static void init_ui(void)
 	{
 		std::string	root(hg_sane_middleware::sane_path());
@@ -2437,9 +2436,10 @@ COM_API_IMPLEMENT(scanner, int, start(void))
 	{
 		if (callback::show_progress_ui && is_bIndicator)
 		{
-			int ev = ret;
+			int ev = SANE_EVENT_WORKING;
 
-			ui_notify(ev, (void *)hg_scanner_err_description(ret), 0);
+			on_ui_event(ev, (void*)ev);
+			ui_notify(SANE_EVENT_SCAN_FINISHED, (void *)hg_scanner_err_description(ret), ret);
 		}
 		else
 		{
@@ -3093,7 +3093,7 @@ int scanner::handle_device_event(int ev_code, void* data, unsigned int* len)
 		//else on_ui_event(ev_code, (void*)ev_code);
 
 		if (callback::show_progress_ui && is_bIndicator)
-			ui_notify(ev_code, data, 0);
+			ui_notify(ev_code, data, *len);
 		//else
 			on_ui_event(ev_code, (void*)ev_code);
 
@@ -3151,7 +3151,7 @@ int scanner::handle_device_event(int ev_code, void* data, unsigned int* len)
 		//if (indicator_.get())
 		//	indicator_->notify_scan_over((char*)data, *len != SCANNER_ERR_OK);
 		if (callback::show_progress_ui && is_bIndicator)
-			ui_notify(ev_code, data, 0);
+			ui_notify(ev_code, data, *len);
 		else
 		{
 			if (callback::show_messagebox_ui && *len)